Iscia Lopes-Cendes, MD, PhD, University of Campinas, Campinas, Brazil, discusses the progress being made on the genetic testing of epilepsy. Prof. Lopes-Cendes highlights how new sequencing technology has transformed the way we carry out molecular diagnosis, making it more affordable for patients in public and private healthcare practices. This interview took place during the 34th International Epilepsy Congress, 2021.